cover
Contact Name
Muhammad Akbar Asis
Contact Email
akbar.a@eng.unhas.ac.id
Phone
+6282333278030
Journal Mail Official
ijm-nasp@unhas.ac.id
Editorial Address
Jl. Poros Malino KM.6, Gedung Perkapalan A, Fakultas Teknik, Kampus Gowa Unhas
Location
Kota makassar,
Sulawesi selatan
INDONESIA
International Journal of Metacentre
Published by Universitas Hasanuddin
ISSN : -     EISSN : 28098307     DOI : -
Core Subject : Engineering,
The International Journal of Metacentre (IJM) is addressed to scientists and professionals to share their experience, expert knowledge and research results, concerning all aspects of maritime application, technology, engineering, science, and transportation. Focus and Scope Articles that can be published in this journal are the results of research, scientific studies/results of thought, and analysis/problem-solving in the field of naval architecture in particular and maritime and marine technology in general. Scientific articles can be in the form of research results, original research articles, reviews, scientific studies. Based on the focus and scope of the journal, the articles that can be loaded in this Journal cover 10 things (including other fields that are still in relation to marine & maritime technology), namely: Ship Hydrodynamics Ship Design and Production Ship Structure Naval and Marine System Marine Engineering Ship Material Marine Transport Engineering Ocean Renewable Energy Ocean and Offshore Engineering Coastal & Port Management
Articles 1 Documents
Search results for , issue "Vol. 3 No. 2 (2023): December 2023" : 1 Documents clear
Study of Ship Resistance due to Trim using Computational Fluid Dynamics Muhammad Anjas Syam; Baso, Suandar; Ardianti, Andi
International Journal of Metacentre Vol. 3 No. 2 (2023): December 2023
Publisher : Naval Architecture Departement, Hasanuddin University

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Abstract

When a ship experiences trim, the geometric parameters of the underwater ship change compared with even keel condition, such as the ship's draft, length of waterline, and wetted surface area. All these factors affect the ship resistance. The purpose of this research is to understand the influence of trim on ship resistance, and to explain the comparison of ship resistance in even keel, trim by bow, and trim by stern conditions based on Computational Fluid Dynamics analysis.. The method for calculating resistance in this research applies software Autodesk CFD. The type of ship in this study is a container ship. In this study, the hydrodynamic analysis of the ship has been successfully conducted, dynamic parameters such as velocity magnitude, static pressure distribution and resistance have been obtained. The ship model's resistance trim by bow and trim by stern conditions shows a similar tendency, increasing with the trim value. However, when comparing the ship model resistance from each trim condition with the resistance in the even keel condition, there is a difference. The trim by bow condition experiences an increase with an average percentage value of 3.32%. Meanwhile, the trim by stern condition experiences a decrease with an average percentage value of 0.06%. Then, overall, trim by bow condition of -1.441 m shows the highest resistance at 6.044 N and trim by stern condition at 0.5 m has the smallest resistance, which is 5.674 N.

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